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What is resolution all about?

By Jakob Jelling
Snapjunky.com

Resolution is the term used to describe the quality of a picture according to the number of pixels per square inch it has. According to this, the higher the number of pixels per square inch is, the between the resolution and therefore the better the picture quality is. The term resolution applies to many different picture related notions and devices, but they all have in common a strong relationship with the quality of the pictures they provide.

Most of the times, the term resolution is used while talking about how many small details we can see in a picture. When we can clearly see a great amount of small details in a picture, we would say it has a high resolution, while in those cases in which we can not see so many details we would say it has a low resolution.

The term resolution is often used as a synonym of picture quality due to the strong relationship which exists between both notions. If a picture is of high quality, it must have high resolution and allow us to see small details, if it does not have such characteristics we can not say it is of high quality.

Resolution does not only depend on the amount of pixels per square but it is also affected by several other factors. Among the other factors which might affect a picture's resolution it is the format, the number of bits, and the quality of the device we use among others. As a general concept, good resolution is when a picture or an image has sharpness and clarity and its details can be easily distinguished.

Another usual way in which the term resolution is used is to denominate what is known as screen resolution. The term screen resolution makes reference to the amount of pixels the screen has. Video and pictures editors usually need a higher resolution screen since this will affect the way in which they can view the pictures they are working with. Besides monitors, there are many other devices in which term resolution describes the quality of the images they produce, and printers and scanners are among these devices.

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